NGWS SDK Documentation  

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Compiler Error C3744

unhook must have at least 3 arguments for NGWS runtime events

The __unhook function must take three parameters when used in a program that is compiled for the NGWS run time.

The following sample generates C3744:

#using <mscorlib.dll>
using namespace System;

__delegate(multicast) void delegate1();

[ event_source(com+) ]
public __gc class CPSource {
public:
   __event delegate1* event1;
};


[event_receiver(com+)]
public __gc class CReceiver {
public:
   void Handler1() { 
   }

   void UnhookAll1(CPSource* pSrc, CReceiver* pRec) {
      pRec;
      __unhook(pSrc);   // C3744
      // The following line resolves the error.
      // __unhook(&CPSource::event1, pSrc, &CReceiver::Handler1);
   }
};

void main() {
}